Re: GCC 4.8.0 does not compile for DJGPP

[Fabrizio Gennari <fabrizio dot ge at tiscali dot it>]

Il 25/03/2013 00:00, Ian Lance Taylor ha scritto:
> On Sun, Mar 24, 2013 at 10:51 AM, Fabrizio Gennari
> <fabrizio.ge@tiscali.it> wrote:
> > Il 24/03/2013 18:48, Fabrizio Gennari ha scritto:
> >
> > > Il 23/03/2013 18:07, DJ Delorie ha scritto:
> > > > The DJGPP build of gcc 4.8.0 was just uploaded, it might have some
> > > > patches that haven't been committed upstream yet.
> > > Thank you DJ. I downloaded beta/v2gnu/gcc480s.zip from a mirror, and that
> > > compiles. And, indeed, the file gcc/config/i386/djgpp.h is different from
> > > the one in the official gcc-4.8.0.tar.bz2, meaning that some DJGPP patches
> > > are not present upstream.
> > Forgot to say that I also had to apply this patch
> >
> > --- ../gcc-4.8.0/libbacktrace/alloc.c    2013-01-14 19:17:30.000000000 +0100
> > +++ ../gcc-4.80/libbacktrace/alloc.c    2013-03-24 18:07:11.995891959 +0100
> > @@ -34,6 +34,7 @@
> >
> >   #include <errno.h>
> >   #include <stdlib.h>
> > +#include <sys/types.h>
> >
> >   #include "backtrace.h"
> >   #include "internal.h"
>
> What failed without that patch?
>
> Ian
libtool: compile: /home/fabrizio/dev/djgpp/cross/gcc2/./gcc/xgcc 
-B/home/fabrizio/dev/djgpp/cross/gcc2/./gcc/ 
-B/home/fabrizio/dev/djgpp/i586-pc-msdosdjgpp/bin/ 
-B/home/fabrizio/dev/djgpp/i586-pc-msdosdjgpp/lib/ -isystem 
/home/fabrizio/dev/djgpp/i586-pc-msdosdjgpp/include -isystem 
/home/fabrizio/dev/djgpp/i586-pc-msdosdjgpp/sys-include -DHAVE_CONFIG_H 
-I. -I../../../gcc-4.80/libbacktrace -I 
../../../gcc-4.80/libbacktrace/../include -I 
../../../gcc-4.80/libbacktrace/../libgcc -I ../libgcc -funwind-tables 
-frandom-seed=alloc.lo -W -Wall -Wwrite-strings -Wstrict-prototypes 
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute 
-Wcast-qual -Werror -fPIC -g -O2 -c 
../../../gcc-4.80/libbacktrace/alloc.c -o alloc.o
-fPIC ignored (not supported for DJGPP)
In file included from ../../../gcc-4.80/libbacktrace/alloc.c:39:0:
../../../gcc-4.80/libbacktrace/internal.h:141:11: error: unknown type 
name ‘off_t’
off_t offset, size_t size,
^
make[3]: *** [alloc.lo] Errore 1
make[3]: uscita dalla directory 
"/home/fabrizio/dev/djgpp/cross/gcc2/i586-pc-msdosdjgpp/libbacktrace"

internal.h (included by libbacktrace/alloc.c) uses off_t, which is not 
declared unless sys/types.h is included

BTW, I am using beta/v2/djcrx204.zip for basic DJGPP headers and 
libraries, so no version 2.03 involved

Fabrizio